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Answered

find an equation in which Y varies jointly as X and Z and the following conditions exist

1.y-35 when X-7 and z=15
2.y=20 when X=5 and z=12
send helppp
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Sagot :

Keltango

1. Find k

y = kxz

35 = k(7)(15)

k = 1/3

Substitute k=1/3

y = (1/3)xz

2. Find k

y = kxz

20 = k(5)(12)

k = 1/3

Substitute k=1/3

y = (1/3)xz

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